For more than 60 years, our products have supplied dependable valve actuation at
critical points in the refining process. Today, ASCO Numatics provides advanced,
cost-competitive fluid automation solutions with the best reliability records and
most complete application coverage in oil and gas refineries worldwide.
What makes ASCO Numatics different is its unique combination of quality, performance,
and value with quick shipment for ensured availability — as well as consistent
technical support and service for easy assembly, reliable operation, and efficient
From contractor design engineers to refinery instrumentation, process control, safety,
and maintenance engineers, experienced customers know where to turn. They trust
ASCO Numatics to fill a comprehensive set of fluid automation needs for downstream
oil and gas production. These include:
• Process Heaters
• Flaring Systems
• Desulfurization Operations
• Coking Units
ASCO Numatics provides superior fluid automation solutions for refineries worldwide.
Both refiners and engineering/procurement contractors appreciate our established
reputation for unsurpassed reliability across the widest possible range of applications.
ASCO Pilot Valves
These 3-way and 4-way models are the refining industry's most varied, proven, and
widely used solenoid pilot valves. They're applied throughout the
plant as the primary devices for process valve actuation, as well as the shutdown
valve when used with digital valve controllers for on-off and control
valve applications. Their high flows allow more cycles and maximize throughput.
Select from Standard, 0.55 W and 1.4 W Low Power, Intrinsically Safe, and Non-Incendive
Field Wiring Solenoid Valves. Exida certified SIL 3 capable constructions are available.